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Question 43
If ‘$$\div$$’ standsfor ‘$$\times$$’, '-' for ‘+’, '+' for ‘$$\div$$’, then which of the following equationsis correct ?
Solution
Substituting the symbols with the appropriate mathematical operation:
Option A: LHS = 21+(3/9)*12 = 21+4 = 25 and RHS = 51 Hence, incorrect
Option B: LHS = (21/3)*9+12 = 63+12 = 75 and RHS = 75. Hence, correct.
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